20172718971

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1267051}}^1$

素因数の和:1267147

約数の個数: 24

約数和(自身を含む): 30637317360

約数和(自身を除く): 10464598389

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1769, 5307, 15921, 1267051, 3801153, 11403459, 36744479, 77290111, 110233437, 231870333, 330700311, 695610999, 2241413219, 6724239657, 20172718971]

約数ペア:

[(1, 20172718971), (3, 6724239657), (9, 2241413219), (29, 695610999), (61, 330700311), (87, 231870333), (183, 110233437), (261, 77290111), (549, 36744479), (1769, 11403459), (5307, 3801153), (15921, 1267051)]